Such a fistula may be the anastomosis of a natural artery and vein, a bovine graft, or a synthetic polytetrafluoroethylene (PTFE) graft. The bovine graft is taken from the bovine carotid artery and anastomosed to the vein and artery of the patient.
Definition of verify. verified. ; verifying. transitive verb. 1 : to confirm or substantiate in law by oath. 2 : to establish the truth, accuracy, or reality of verify the claim.
verb (used with object), verified, verifying. 1. to prove the truth of, as by evidence or testimony; confirm; substantiate: Events verified his prediction. 2. to ascertain the truth or correctness of, as by examination, research, or comparison: to verify a spelling. 3. to act as ultimate proof or evidence of; serve to confirm.